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    • 8. 发明授权
    • Anti-counterfeiting process using lenticular optics and color masking
    • 使用透镜光学和彩色掩蔽的防伪工艺
    • US5303370A
    • 1994-04-12
    • US976196
    • 1992-11-13
    • Scott BroshTimothy Wright
    • Scott BroshTimothy Wright
    • G03B35/00G06K7/00G06K19/10G07F7/08G09C5/00H04L9/00
    • G07F7/086
    • An image of a symbol or other indicium of origin or authenticity is encrypted, and printed on the item or a label in superposition with a color mask. In a preferred embodiment, an intermediate parallax record is formed of a series of images of a symbol or other indicium, each differing from the preceding one by a predetermined amount of parallax (i.e. change of viewing angle.) A multiple exposure of the series of intermediate parallax record images is made through a lenticular screen to create the encrypted image of the indicium. The lenticular screen and the medium on which the multiple exposure is made are moved relative to each other between exposures. The encrypted image and the superimposed color mask are then printed as a composite image to produce an unintelligible criss-cross of colored lines. When viewed through a lenticular screen which matches that used to create the encrypted image, the original indicium is revealed in clear form.
    • 符号或其他原产地或真实性标记的图像被加密,并且用彩色掩模叠加在项目或标签上。 在优选实施例中,中间视差记录由符号或其他标记的一系列图像形成,每个图像与前一个不同于预定量的视差(即,视角的改变)。多次曝光 通过透镜屏幕制作中间视差记录图像,以创建标记的加密图像。 在曝光之间,透镜屏幕和进行多次曝光的介质相对于彼此移动。 然后将加密图像和叠加的彩色掩模印刷为合成图像,以产生无法理解的彩色线条的十字交叉。 当通过与用于创建加密图像相匹配的透镜屏幕观看时,原始标记以透明的形式显示。
    • 9. 发明授权
    • Received message verification
    • 接收到消息验证
    • US08775812B2
    • 2014-07-08
    • US12667783
    • 2008-07-07
    • Caroline BelroseNicholas BoneTimothy Wright
    • Caroline BelroseNicholas BoneTimothy Wright
    • H04L29/06
    • H04L63/104G06F21/305G06F21/575H04L63/12H04W12/10
    • A method of verifying the validity of a message received by a telecommunications terminal (8) having a processor (30) and which is operable in a boot mode and a runtime mode is disclosed. In the embodiments the message is a SIM unlock message, for removing or modifying a restriction of the types of subscriber identity module (SIM) with which the mobile terminal may be used. In response to reception of the SIM unlock message when the terminal (1) is in the runtime mode, the processor 30 of the terminal (1) causes the terminal to enter the boot mode and verify the validity of the message during the boot mode. Because the validity of the message is checked during the boot mode, the check can be performed with greater security.
    • 公开了一种验证由具有处理器(30)并且可以以引导模式和运行时模式操作的电信终端(8)接收的消息的有效性的方法。 在实施例中,消息是SIM解锁消息,用于去除或修改可以使用移动终端的订户身份模块(SIM)的类型的限制。 当终端(1)处于运行时模式时,响应于SIM卡解锁消息的接收,终端(1)的处理器30使终端进入引导模式,并在启动模式期间验证消息的有效性。 因为在启动模式期间检查消息的有效性,所以可以以更大的安全性执行检查。